Impact of Hospitalization History on Chronic Disease Prevalence and Hemorrhage Risk in Pregnancy
Author Information
Author(s): Chen Jian Sheng, Roberts Christine L, Simpson Judy M, Ford Jane B
Primary Institution: University of Sydney
Hypothesis
Does additional comorbidity information from prior hospital admissions affect the estimation of prevalence and modeling of risk factors for obstetric hemorrhage?
Conclusion
Longer ascertainment periods improved identification of chronic disease history among pregnant women, but did not significantly enhance the modeling of risk factors for obstetric hemorrhage.
Supporting Evidence
- Longer lookback periods increased chronic disease ascertainment rates.
- Chronic renal disease and psychiatric disorders were identified as independent risk factors for obstetric hemorrhage.
- The predictive ability of the hemorrhage model did not improve with extended lookback periods.
Takeaway
Looking back at hospital records for a longer time helps find more women with chronic diseases, but it doesn't really help predict bleeding risks during pregnancy better.
Methodology
The study analyzed hospital records of 53,438 women who had their first birth in New South Wales, assessing chronic disease prevalence over five years prior to birth.
Potential Biases
Potential bias due to reliance on hospital records which may not capture all chronic conditions.
Limitations
The study may underestimate conditions that do not require hospitalization and lacks outpatient data.
Participant Demographics
Women with a mean age of 28.8 years, primarily first-time mothers in New South Wales, Australia.
Statistical Information
P-Value
0.04
Confidence Interval
1.03 to 2.33
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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